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pro vyhledávání: '"Bento, Bruno Valeixo"'
We consider various string-loop, warping and curvature corrections that are expected to appear in type IIB moduli stabilisation scenarios. It has recently been argued, in the context of strongly-warped LVS de Sitter vacua, that it is impossible to ac
Externí odkaz:
http://arxiv.org/abs/2306.07332
This note is intended to serve as a reference for conventions used in the literature on string compactifications, and how to move between them, collected in a single and easy-to-find place, using type IIB as an illustrative example. We hope it may be
Externí odkaz:
http://arxiv.org/abs/2301.05178
We study the gravitational signatures that arise from compactifying Type IIB supergravity on a compact space containing a Klebanov-Strassler warped throat. After reviewing the dimensional reduction of the 10d graviton and explicitly obtaining the equ
Externí odkaz:
http://arxiv.org/abs/2204.02086
Autor:
Bento, Bruno Valeixo, Zalel, Stav
General Relativity traces the evolution of our Universe back to a Big Bang singularity. To probe physics before the singularity -- if indeed there is a ``before'' -- we must turn to quantum gravity. The Causal Set approach to quantum gravity provides
Externí odkaz:
http://arxiv.org/abs/2109.11953
We explore whether the growth dynamics paradigm of Causal Set Theory is compatible with past-infinite causal sets. We modify the Classical Sequential Growth dynamics of Rideout and Sorkin to accommodate growth "into the past" and discuss what form ph
Externí odkaz:
http://arxiv.org/abs/2109.10749
We revisit moduli stabilisation for type IIB flux compactifications that include a warped throat region corresponding to a warped deformed conifold, with an anti-D3-brane sitting at its tip. The warping induces a coupling between the conifold's defor
Externí odkaz:
http://arxiv.org/abs/2105.03370
We consider various candidates for Dark Energy, motivated by string theory. Several no-go theorems push de Sitter string vacua, with $w=-1$, to the limits of theoretical control, and all known examples depend on a delicate interplay between different
Externí odkaz:
http://arxiv.org/abs/2005.10168
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